private void commSelect_FormClosing(object sender, FormClosingEventArgs e)
{
Settings.Default.ComPortName = cbPorts.Items[cbPorts.SelectedIndex].ToString();
Settings.Default.Baud = cbBaud.Items[cbBaud.SelectedIndex].ToString();
Settings.Default.Flow = cbFlow.Items[cbFlow.SelectedIndex].ToString();
Settings.Default.Parity = cbParity.Items[cbParity.SelectedIndex].ToString();
Settings.Default.StopBits = cbStopBits.Items[cbStopBits.SelectedIndex].ToString();
Settings.Default.DataBits = cbDataBits.Items[cbDataBits.SelectedIndex].ToString();
Settings.Default.Save();
}